CN205294707U - Hoist hoisting mechanism drum brake's manual opening device - Google Patents
Hoist hoisting mechanism drum brake's manual opening device Download PDFInfo
- Publication number
- CN205294707U CN205294707U CN201521033685.6U CN201521033685U CN205294707U CN 205294707 U CN205294707 U CN 205294707U CN 201521033685 U CN201521033685 U CN 201521033685U CN 205294707 U CN205294707 U CN 205294707U
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- CN
- China
- Prior art keywords
- camshaft
- brake
- hoisting mechanism
- spring
- unlocking device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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Abstract
The utility model relates to a hoist hoisting mechanism drum brake's manual opening device, which comprises a roller, the cylinder is equipped with the fixed plate, the fixed plate right flank is equipped with the connecting plate, the connecting plate even has U type support, U type stent sidewall scarf joint has spring support, spring support even has the regulation pole, it has cup jointed the nut to adjust the pole outer wall, be equipped with separation blade and spring in the spring support, the spring even has the brake hoof, even there is the camshaft support at the fixed plate middle part, the scarf joint has the camshaft in the camshaft support, camshaft one end is equipped with the spline tooth, the camshaft left part even has the brake arm, brake arm left part is equipped with the ring gear, the ring gear is equipped with the internal tooth, external tooth and ball groove, even there is the worm on brake arm upper portion, brake arm right part is equipped with the connecting hole, the brake arm even has the dead lever, the camshaft right part has cup jointed the cam, camshaft right -hand member outer wall has cup jointed wear -resisting cover, the utility model has the advantages of simple structure, running cost hang down, the usage is extensive, braking safety.
Description
Technical field
This utility model belongs to technical field of crane equipment, is specifically related to the manual unlocking device of a kind of crane hoisting mechanism roll brake.
Background technology
For producing crane, braking for cylinder all adopts electrodynamic braking mode at present, and utilize electronic pusher to drive brake shoe to make cylinder quit work when cylinder is stopped braking by needs, there is certain drawback in this brake, being mainly manifested in brake only could normally make cylinder quit work in the energized state, when trigger is in the start-stop work that can not control cylinder on the downside of off-position normally, so when cylinder lifts weight, if the unexpected power-off of brake, it is difficult to ensure that weight will not fall, the generation possibly even caused the accident, great economic loss is brought to enterprise, the life security of serious threat workman, to a kind of simple in construction of this exploitation, operating cost is low, of many uses, the manual unlocking device tool of the crane hoisting mechanism roll brake of brake safe is of great significance.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, and provides that a kind of simple in construction, operating cost is low, of many uses, the manual unlocking device of the crane hoisting mechanism roll brake of brake safe.
The purpose of this utility model is achieved in that the manual unlocking device of a kind of crane hoisting mechanism roll brake, it includes cylinder, one end of described cylinder is provided with fixing plate, the right flank on described fixing plate top is provided with connecting plate, described connecting plate has been bolted U-shaped support, on the sidewall of described U-shaped support, interlocking has spring fastening, one end of described spring fastening has been threaded connection adjusting rod, the outer wall of described adjusting rod is socketed with nut, catch and spring it is disposed with from the inside to the outside in spring fastening, the other end of described spring is connected to brake shoe, left surface in the middle part of fixing plate has been connected by screw camshaft support, described camshaft support is embedded is connected to camshaft, the outer wall of described camshaft one end is provided with spline tooth, the left part of camshaft is connected to brake arm, gear ring that is that the left part of described brake arm is provided with ball clamping and that be meshed with spline tooth, described gear ring is provided with internal tooth, external tooth and ball grooves, the top of brake arm is connected to the worm screw being meshed with external tooth by bearing, the right part of brake arm is provided with connecting hole, brake arm is connected to fixing bar, described fixing bar is connected with fixing plate, the outer wall of camshaft right part is socketed with the cam matched with brake shoe, the outer wall of camshaft right-hand member is socketed with wear-resistant sleeve, described wear-resistant sleeve is connected with U-shaped support by screw.
Described connecting plate is L-type structure, and connecting plate is connected with fixing plate by the mode welded.
The quantity of described brake shoe is two, and is separately positioned on the both sides of cam.
The quantity of described spring fastening is two, and is symmetrically arranged on the two side of U-shaped support.
Described cam is connected by screw and camshaft are fixing.
Described spring is in compressive state.
The middle part of described cam is provided with strip through-hole.
Thick column that described camshaft sets gradually from left to right, cuboid part and thin column composition, and thick column, cuboid part and thin column be formed in one structure.
The beneficial effects of the utility model: this utility model is in use, when needs lifting heavy goods, gear ring is driven to rotate by rotary worm, when gear ring rotates, gear ring drives camshaft to rotate, owing to camshaft is connected by screw and cam are fixing, as the cam shaft rotates, camshaft drives cam rotation, thus the brake shoe by cam both sides is opened, when brake shoe is opened, cylinder is in releasing locking state, and then utilize cylinder normally to hoist weight, brake arm is connected with camshaft by gear ring and spline, this connected mode is effectively prevented the slip between brake arm and camshaft, prevent the generation of skidding, being disposed to of camshaft support facilitates the installation of camshaft and fixing, increase the contact area between camshaft and fixing plate, the friction being disposed between reduction camshaft and U-shaped support of wear-resistant sleeve, extend the service life of camshaft, reduce operating cost, when needs brake drum, manual rotation worm screw, worm screw drives camshaft to rotate by gear ring, camshaft band moving cam rotates as the cam shaft rotates, thus brake shoe is closed, brake shoe utilizes the bounce of spring by cylinder locking, thus cylinder quits work, even if this set is under unexpected powering-off state, without the normally closed affecting cylinder, it is effectively prevented the probability of weight-drop, avoiding is the generation of accident, this set simple in construction, easy to use, security performance is high, being disposed to of spring fastening facilitates the fixing of spring, the pressure being disposed to adjustment spring of adjusting rod, when in use there is abrasion in brake shoe, the pressure of spring can be readjusted by the adjustment of adjusting rod, make brake shoe by cylinder locking, this utility model has simple in construction, operating cost is low, of many uses, the advantage of brake safe.
Accompanying drawing explanation
Fig. 1 is the top view of the manual unlocking device of a kind of crane hoisting mechanism roll brake of this utility model.
Fig. 2 is the spring fastening attachment structure schematic diagram with adjusting rod of the manual unlocking device of a kind of crane hoisting mechanism roll brake of this utility model.
Fig. 3 is the structural representation of the brake arm of the manual unlocking device of a kind of crane hoisting mechanism roll brake of this utility model.
Fig. 4 is the front view of the camshaft of the manual unlocking device of a kind of crane hoisting mechanism roll brake of this utility model.
Fig. 5 is the side view of the camshaft of the manual unlocking device of a kind of crane hoisting mechanism roll brake of this utility model.
Fig. 6 is the structural representation of the cam of the manual unlocking device of a kind of crane hoisting mechanism roll brake of this utility model.
Fig. 7 is the front view of the gear ring of the manual unlocking device of a kind of crane hoisting mechanism roll brake of this utility model.
Fig. 8 is the side view of the gear ring of the manual unlocking device of a kind of crane hoisting mechanism roll brake of this utility model.
In figure: 1, cylinder 2, fixing plate 3, connecting plate 4, U-shaped support 5, spring fastening 6, adjusting rod 7, nut 8, catch 9, spring 10, brake shoe 11, camshaft support 12, camshaft 13, spline tooth 14, brake arm 15, gear ring 16, internal tooth 17, external tooth 18, ball grooves 19, worm screw 20, connecting hole 21, fixing bar 22, cam 23, wear-resistant sleeve.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is described further.
Embodiment 1
Such as Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, shown in Fig. 7 and Fig. 8, a kind of manual unlocking device of crane hoisting mechanism roll brake, it includes cylinder 1, one end of described cylinder 1 is provided with fixing plate 2, the right flank on described fixing plate 2 top is provided with connecting plate 3, described connecting plate 3 has been bolted U-shaped support 4, on the sidewall of described U-shaped support 4, interlocking has spring fastening 5, one end of described spring fastening 5 has been threaded connection adjusting rod 6, the outer wall of described adjusting rod 6 is socketed with nut 7, catch 8 and spring 9 it is disposed with from the inside to the outside in spring fastening 5, the other end of described spring 9 is connected to brake shoe 10, left surface in the middle part of fixing plate 2 has been connected by screw camshaft support 11, described camshaft support 11 is embedded is connected to camshaft 12, the outer wall of described camshaft 12 one end is provided with spline tooth 13, the left part of camshaft 12 is connected to brake arm 14, gear ring 15 that is that the left part of described brake arm 14 is provided with ball clamping and that be meshed with spline tooth 13, described gear ring 15 is provided with internal tooth 16, external tooth 17 and ball grooves 18, the top of brake arm 14 is connected to the worm screw 19 being meshed with external tooth 17 by bearing, the right part of brake arm 14 is provided with connecting hole 20, brake arm 14 is connected to fixing bar 21, described fixing bar 21 is connected with fixing plate 2, the outer wall of camshaft 12 right part is socketed with the cam 22 matched with brake shoe 10, the outer wall of cam 22 axle right-hand member is socketed with wear-resistant sleeve 23, described wear-resistant sleeve 23 is connected with U-shaped support 4 by screw.
This utility model is in use, when needs lifting heavy goods, gear ring is driven to rotate by rotary worm, when gear ring rotates, gear ring drives camshaft to rotate, owing to camshaft is connected by screw and cam are fixing, as the cam shaft rotates, camshaft drives cam rotation, thus the brake shoe by cam both sides is opened, when brake shoe is opened, cylinder is in releasing locking state, and then utilize cylinder normally to hoist weight, brake arm is connected with camshaft by gear ring and spline, this connected mode is effectively prevented the slip between brake arm and camshaft, prevent the generation of skidding, being disposed to of camshaft support facilitates the installation of camshaft and fixing, increase the contact area between camshaft and fixing plate, the friction being disposed between reduction camshaft and U-shaped support of wear-resistant sleeve, extend the service life of camshaft, reduce operating cost, when needs brake drum, manual rotation worm screw, worm screw drives camshaft to rotate by gear ring, camshaft band moving cam rotates as the cam shaft rotates, thus brake shoe is closed, brake shoe utilizes the bounce of spring by cylinder locking, thus cylinder quits work, even if this set is under unexpected powering-off state, without the normally closed affecting cylinder, it is effectively prevented the probability of weight-drop, avoiding is the generation of accident, this set simple in construction, easy to use, security performance is high, being disposed to of spring fastening facilitates the fixing of spring, the pressure being disposed to adjustment spring of adjusting rod, when in use there is abrasion in brake shoe, the pressure of spring can be readjusted by the adjustment of adjusting rod, make brake shoe by cylinder locking, this utility model has simple in construction, operating cost is low, of many uses, the advantage of brake safe.
Embodiment 2
Such as Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, shown in Fig. 7 and Fig. 8, a kind of manual unlocking device of crane hoisting mechanism roll brake, it includes cylinder 1, one end of described cylinder 1 is provided with fixing plate 2, the right flank on described fixing plate 2 top is provided with connecting plate 3, described connecting plate 3 has been bolted U-shaped support 4, on the sidewall of described U-shaped support 4, interlocking has spring fastening 5, one end of described spring fastening 5 has been threaded connection adjusting rod 6, the outer wall of described adjusting rod 6 is socketed with nut 7, catch 8 and spring 9 it is disposed with from the inside to the outside in spring fastening 5, the other end of described spring 9 is connected to brake shoe 10, left surface in the middle part of fixing plate 2 has been connected by screw camshaft support 11, described camshaft support 11 is embedded is connected to camshaft 12, the outer wall of described camshaft 12 one end is provided with spline tooth 13, the left part of camshaft 12 is connected to brake arm 14, gear ring 15 that is that the left part of described brake arm 14 is provided with ball clamping and that be meshed with spline tooth 13, described gear ring 15 is provided with internal tooth 16, external tooth 17 and ball grooves 18, the top of brake arm 14 is connected to the worm screw 19 being meshed with external tooth 17 by bearing, the right part of brake arm 14 is provided with connecting hole 20, brake arm 14 is connected to fixing bar 21, described fixing bar 21 is connected with fixing plate 2, the outer wall of camshaft 12 right part is socketed with the cam 22 matched with brake shoe 10, the outer wall of cam 22 axle right-hand member is socketed with wear-resistant sleeve 23, described wear-resistant sleeve 23 is connected with U-shaped support 4 by screw, described connecting plate 3 is L-type structure, and connecting plate 3 is connected with fixing plate 2 by the mode welded, the quantity of described brake shoe 10 is two, and it is separately positioned on the both sides of cam 22, the quantity of described spring fastening 5 is two, and it is symmetrically arranged on the two side of U-shaped support 4, described cam 22 is connected by screw is fixing with camshaft 12, described spring 9 is in compressive state, the middle part of described cam 22 is provided with strip through-hole, the thick column that described camshaft sets gradually from left to right, cuboid part and thin column composition, and thick column, cuboid part and thin column are formed in one structure.
This utility model is in use, when needs lifting heavy goods, gear ring is driven to rotate by rotary worm, when gear ring rotates, gear ring drives camshaft to rotate, owing to camshaft is connected by screw and cam are fixing, as the cam shaft rotates, camshaft drives cam rotation, thus the brake shoe by cam both sides is opened, when brake shoe is opened, cylinder is in releasing locking state, and then utilize cylinder normally to hoist weight, brake arm is connected with camshaft by gear ring and spline, this connected mode is effectively prevented the slip between brake arm and camshaft, prevent the generation of skidding, being disposed to of camshaft support facilitates the installation of camshaft and fixing, increase the contact area between camshaft and fixing plate, the friction being disposed between reduction camshaft and U-shaped support of wear-resistant sleeve, extend the service life of camshaft, reduce operating cost, when needs brake drum, manual rotation worm screw, worm screw drives camshaft to rotate by gear ring, camshaft band moving cam rotates as the cam shaft rotates, thus brake shoe is closed, brake shoe utilizes the bounce of spring by cylinder locking, thus cylinder quits work, even if this set is under unexpected powering-off state, without the normally closed affecting cylinder, it is effectively prevented the probability of weight-drop, avoiding is the generation of accident, this set simple in construction, easy to use, security performance is high, being disposed to of spring fastening facilitates the fixing of spring, the pressure being disposed to adjustment spring of adjusting rod, when in use there is abrasion in brake shoe, the pressure of spring can be readjusted by the adjustment of adjusting rod, make brake shoe by cylinder locking, this utility model has simple in construction, operating cost is low, of many uses, the advantage of brake safe.
Claims (8)
1. the manual unlocking device of a crane hoisting mechanism roll brake, it includes cylinder, it is characterized in that: one end of described cylinder is provided with fixing plate, the right flank on described fixing plate top is provided with connecting plate, described connecting plate has been bolted U-shaped support, on the sidewall of described U-shaped support, interlocking has spring fastening, one end of described spring fastening has been threaded connection adjusting rod, the outer wall of described adjusting rod is socketed with nut, catch and spring it is disposed with from the inside to the outside in spring fastening, the other end of described spring is connected to brake shoe, left surface in the middle part of fixing plate has been connected by screw camshaft support, described camshaft support is embedded is connected to camshaft, the outer wall of described camshaft one end is provided with spline tooth, the left part of camshaft is connected to brake arm, gear ring that is that the left part of described brake arm is provided with ball clamping and that be meshed with spline tooth, described gear ring is provided with internal tooth, external tooth and ball grooves, the top of brake arm is connected to the worm screw being meshed with external tooth by bearing, the right part of brake arm is provided with connecting hole, brake arm is connected to fixing bar, described fixing bar is connected with fixing plate, the outer wall of camshaft right part is socketed with the cam matched with brake shoe, the outer wall of camshaft right-hand member is socketed with wear-resistant sleeve, described wear-resistant sleeve is connected with U-shaped support by screw.
2. the manual unlocking device of a kind of crane hoisting mechanism roll brake according to claim 1, it is characterised in that: described connecting plate is L-type structure, and connecting plate is connected with fixing plate by the mode welded.
3. the manual unlocking device of a kind of crane hoisting mechanism roll brake according to claim 1, it is characterised in that: the quantity of described brake shoe is two, and is separately positioned on the both sides of cam.
4. the manual unlocking device of a kind of crane hoisting mechanism roll brake according to claim 1, it is characterised in that: the quantity of described spring fastening is two, and is symmetrically arranged on the two side of U-shaped support.
5. the manual unlocking device of a kind of crane hoisting mechanism roll brake according to claim 1, it is characterised in that: described cam is connected by screw and camshaft are fixing.
6. the manual unlocking device of a kind of crane hoisting mechanism roll brake according to claim 1, it is characterised in that: described spring is in compressive state.
7. the manual unlocking device of a kind of crane hoisting mechanism roll brake according to claim 1, it is characterised in that: the middle part of described cam is provided with strip through-hole.
8. the manual unlocking device of a kind of crane hoisting mechanism roll brake according to claim 1, it is characterized in that: thick column that described camshaft sets gradually from left to right, cuboid part and thin column composition, and thick column, cuboid part and thin column are formed in one structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521033685.6U CN205294707U (en) | 2015-12-14 | 2015-12-14 | Hoist hoisting mechanism drum brake's manual opening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521033685.6U CN205294707U (en) | 2015-12-14 | 2015-12-14 | Hoist hoisting mechanism drum brake's manual opening device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205294707U true CN205294707U (en) | 2016-06-08 |
Family
ID=56431478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521033685.6U Withdrawn - After Issue CN205294707U (en) | 2015-12-14 | 2015-12-14 | Hoist hoisting mechanism drum brake's manual opening device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205294707U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105347224A (en) * | 2015-12-14 | 2016-02-24 | 河南恒远恒山工业有限公司 | Manual opening device of roller brake of crane hoisting mechanism |
| CN108773789A (en) * | 2018-07-19 | 2018-11-09 | 珠海国兴银承网络科技有限公司 | A kind of Manual lifting platform and cable bearer |
-
2015
- 2015-12-14 CN CN201521033685.6U patent/CN205294707U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105347224A (en) * | 2015-12-14 | 2016-02-24 | 河南恒远恒山工业有限公司 | Manual opening device of roller brake of crane hoisting mechanism |
| CN108773789A (en) * | 2018-07-19 | 2018-11-09 | 珠海国兴银承网络科技有限公司 | A kind of Manual lifting platform and cable bearer |
| CN108773789B (en) * | 2018-07-19 | 2023-11-17 | 铁岭兵山煤业设备仪器制造有限公司 | Manual lifting platform and cable support |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160608 Effective date of abandoning: 20180320 |
|
| AV01 | Patent right actively abandoned |